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Contact Immunotherapy for Hair Loss

Topic Overview

Alopecia areata is
hair loss caused when the immune system attacks
hair follicles, where hair growth begins. Contact immunotherapy may be the most effective treatment for severe alopecia areata.1 A common medicine used is
diphenylcyclopropenone (DPCP).

DPCP, a liquid, is "painted" on the scalp once a week. The
concentration of the solution is increased at each treatment session until a
mild
allergic reaction occurs. Hair growth may appear
within 3 months of beginning treatment.

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